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Concept explainers
How far was the moon from earth when the measurement was obtained?
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Answer to Problem 38AYU
Explanation of Solution
Given information:
At exactly the same time, Tom and Alice measured the angle of elevation to the moon while standing exactly
Calculation:
Consider the figure as per statement we can see that oblique triangle formed by Tom,Alice and Moon.
Angle
Now angle
By using triangle property,
Now apply law of sines,
Hence, the distance of Moon from Tom is,
Now,
The distance of Moon from Alice is
Now the difference between Tom to moon and Alice to moon is,
Hence, the distance of moon from earth is,
Chapter 8 Solutions
Precalculus Enhanced with Graphing Utilities
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